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4hv.org :: Forums :: High Voltage
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Geissler tube with a contact problem

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Physikfan
Sat Jan 13 2018, 06:26PM
Physikfan Registered Member #60240 Joined: Mon May 16 2016, 07:01PM
Location:
Posts: 304
 		I will use such a transmission grating spectrum of a fluorescent lamp spectra lamp (mercury lines) to calibrate the lines of the Geissler tube,
green line 546 nm.
P1200009TRIM
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Conundrum
Fri Jan 19 2018, 06:43PM
Conundrum Registered Member #96 Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4062
 		Maybe not, some were designed that way.
Interestingly the Hg suggestion makes sense, I've seen this in conventional vac tubes before under HV stimulus.
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